var win1;
function openWindow(param){
if (win1 && win1.open && !win1.closed){parent.win1.location=param;parent.win1.focus();}
else{win1=window.open(param,"win1","directories=0,location=0,menubar=0,scrollbars=1,resizable=yes,status=0,toolbar=0,width=560,height=360,left=0,top=0");}
}